Home / 116,712.20-174,866.70-54,254.60

Finding the Fourth Proportional to 116,712.20, 174,866.70 and 54,254.60

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Solution

The fourth proportional to 116,712.20, 174,866.70 and 54,254.60 is: 81,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,712.20 : 174,866.70 = 54,254.60 : x
  2. Step 2: Convert to fraction form
    116,712.20/174,866.70 = 54,254.60/x
  3. Step 3: Cross multiply
    116,712.20x = 174,866.70 × 54,254.60
  4. Step 4: Simplify right side
    116,712.20x = 9,487,322,861.82
  5. Step 5: Solve for x
    x = 9,487,322,861.82/116,712.20
  6. Step 6: Final answer
    x = 81,288.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.